package dao.impl;

import dao.UserDao;
import org.apache.ibatis.io.Resources;
import org.apache.ibatis.session.SqlSession;
import org.apache.ibatis.session.SqlSessionFactory;
import org.apache.ibatis.session.SqlSessionFactoryBuilder;
import pojo.User;

import java.io.IOException;
import java.io.InputStream;
import java.sql.*;
import java.util.ArrayList;
import java.util.List;

public class UserDaoImpl implements UserDao {
   @Override
    public List<User> findAll()
    {
        String resource = "mybatis-config.xml";
        SqlSession sqlSession = null;
        try{
            InputStream resourceAsStream = Resources.getResourceAsStream(resource);
            SqlSessionFactory sqlSessionFactory = new SqlSessionFactoryBuilder().build(resourceAsStream);
            sqlSession = sqlSessionFactory.openSession();
            List<User> users = sqlSession.getMapper(UserDao.class).findAll();
            return  users;
        }catch (IOException e){
            throw new RuntimeException(e);
        }finally {
            sqlSession.close();
        }
    }
}
